Drug Index

Why has my veterinarian prescribed Acepromazine for my dog?
Acepromazine is used as a sedative and a pre-anesthetic agent. It also possesses the following properties: prevents vomiting, prevents muscle spasms, alleviates itching as a result of skin irritation and decreases temperature.

Why has my veterinarian prescribed Acetaminophen for my dog?
Acetaminophen may be used in dogs to relieve pain and reduce fever.

Why has my veterinarian prescribed Acetazolamide for my dog?
This medicine may be prescribed to treat glaucoma – a disease of the eye that increases intraocular pressure and produces defects in the field of vision. It will reduce the amount of pressure in the eye.

Why has my veterinarian prescribed Amlodipine besylate for my dog?
Amlodipine besylate is a calcium channel blocking agent that has been used to decrease blood pressure in dogs with chronic kidney disease.

Why has my veterinarian prescribed Amoxicillin for my dog?
Amoxicillin is a synthetic penicillin-type antibiotic effective against a range of infections caused by gram positive and gram negative bacteria. This medication has been prescribed for your dog to treat a bacterial infection.

Why has my veterinarian prescribed Amoxicillin/Clavulanic acid for my dog?
Amoxicillin/Clavulanic acid is a synthetic penicillin-type antibiotic used to treat infections caused by gram positive and gram negative bacteria. This medication may be used to treat urinary tract infections, skin and soft tissue infections and periodontal disease in dogs caused by susceptible organisms. The clavulanic acid is a beta-lactamase inhibitor it has been added to the amoxicillin to protect the antibiotic from certain enzymes that may destroy the amoxicillin before it can kill the bacteria.

Why has my veterinarian prescribed oral anatacids for my dog?
Antacids are used to neutralize excess acid (decrease the amount of acid) in the stomach. Antacids can be used for inflammation of the esophagus, excessive acid in the stomach, peptic ulcer and inflammation of the stomach. In patients with kidney failure, antacids may be used to decrease the amount of phosphate in the blood.

Why has my veterinarian prescribed aspirin for my dog?
Aspirin (acetylsalicylic acid) is a non-steroidal anti-inflammatory agent used to treat mild to moderate pain , to reduce inflammation and to reduce fever in dogs.

Why has my veterinarian prescribed Atenolol for my dog?
Atenolol is a beta1-blocking agent that is used to treat high blood pressure and to correct irregular heartbeat. Atenolol decreases the heart’s need for blood and oxygen and therefore reduces the amount of work the heart must do. It also helps the heart beat more regularly.

Why has my veterinarian prescribed this Buspirone for my dog?
Buspirone may be used in treating certain behavior disorders in dogs and cats, e.g. chronic fears, anxiety, or aggression.

Why has my veterinarian prescribed Carprofen for my dog?
Carprofen is a non-steroidal anti-inflammatory agent used to relieve pain and inflammation in dogs.

Why has my veterinarian prescribed this cephalasporins for my dog?
Cephalosporins are a group of antibiotics used to treat infections caused by gram positive and gram negative bacteria. Cephalosporins are most commonly used to treat respiratory, skeletal, urinary, skin and soft tissue infections.

Why has my veterinarian prescribed Chlorambucil for my dog?
Chlorambucil is used to suppress the immune system and to treat abnormal tissue growth that may be either benign or cancerous. Examples of conditions the drug may be used for include: lymphocytic leukemia, multiple myeloma, glomerulonephritis, non-erosive arthritis, immune-mediated skin disease, feline pemphigus foliaceous and severe feline eosinophilic granuloma complex.

Why has my veterinarian prescribed Cimetidine for my dog?
Cimetidine is a histamine-blocking agent. It helps reduce the amount of gastric acid secreted in the stomach. Cimetidine has been used for treating or managing gastric or duodenal ulcers. It has also been used to treat gastritis and other reflux and hypersecretory conditions.

Why has my veterinarian prescribed Clindamycin for my dog?

Clindamycin is an antibiotic used to treat the following bacterial infections: wounds, abscesses and inflammation of the bone marrow and adjacent bone. It may also be used to treat protozoal infections including toxoplasmosis.

Why has my veterinarian prescribed clomipirine for my dog?
Your veterinarian has prescribed clomipramine to treat obsessive-compulsive behavior or to treat separation anxiety and dominance aggression in dogs Clomipramine is a tricyclic antidepressant.

Why has my veterinarian prescribed Dexamethasone for my dog?

Dexamethasone is a cortisone-like medicine used to treat inflammatory conditions involving the joints and to treat nonspecific skin conditions. There may be other conditions for which your veterinarian may prescribe this medication.

Why has my veterinarian prescribed Dextromethorphan for my dog?
Dextromethorphan is used to relieve your dog’s cough.

Why has my veterinarian prescribed Diethylcarbamazine citrate for my dog?

Diethylcarbamazine citrate is used for prevention of heartworm disease, and/or the treatment of roundworm infections in dogs.

Why has my veterinarian prescribed Difloxacin for my dog?

Difloxacin is a fluoroquinolone antibiotic with a broad spectrum of antimicrobial activity. This medication has been prescribed for your dog to treat a bacterial infection. It may be prescribed to treat wounds or abscesses and urinary tract infections.

Why has my veterinarian prescribed Allopurinol for my dog?

Allopurinol is used to prevent the recurrence of uric acid stones. The medicine works by decreasing the amount of uric acid in the body. This medication has also been recommended as an alternative treatment for Leishmaniasis in dogs.

Why has my veterinarian prescribed Ampicillin for my dog?
Ampicillin is a semi-synthetic penicillin-type antibiotic effective against a range of infections caused by gram positive and gram negative bacteria. This medication has been prescribed for your dog to treat a bacterial infection.

Why has my veterinarian prescribed Azathioprine for my dog?
Azathioprine is used to suppress the immune system.  It is used to treat diseases and disorders caused by an overactive immune system. Examples of conditions the medication may be used for include: immune mediated skin disease, autoimmune hemolytic anemia, thrombocytopenia, rheumatoid arthritis, polyarthritis, polymyositis, eosinophilic enteritis, myasthenia gravis, atrophic gastritis, ulcerative colitis, systemic lupus erythematosus, ocular histiocytoma, and chronic active hepatitis. When taking this medication, your pet may become more susceptible to infections. If you can, keep your dog away from other animals with infections.

Why has my veterinarian prescribed Bethanechol Chloride for my dog?
Bethanechol chloride is used to stimulate muscular contractions in your dog's bladder. It has been used in pets unable to urinate.

Why has my veterinarian prescribed Amitriptyline for my dog?
Amitriptyline has been prescribed to treat separation anxiety and may also be used to prevent itching in dogs. Amtriptyline is a tricyclic antidepressant.

Why has my veterinarian prescribed Clorazepate for my dog?
Clorazepate is used to relieve anxiety, as a hypnotic-sedative agent and as an anti-convulsant. In dogs, clorazepate is often administered with phenobarbital and used to help treat convulsions. Clorazepate is a benzodiazepine. This class of medicines is used to slow down the nervous system.

Why has my veterinarian prescribed Diazepam for my dog?

Diazepam is used to relieve anxiety, as a muscle relaxant, as a hypnotic agent, as an appetite stimulant and to control seizures. Diazepam is a benzodiazepine. This class of medicines is used to slow down the nervous system.

Why has my veterinarian prescribed Diethylstilbestrol for my dog?

Diethylstilbestrol is a synthetic non-steroidal estrogen agent. It has been used in estrogen responsive urinary incontinence and in the prevention of pregnancy after mismating in female dogs. Your veterinarian may prescribe diethylstilbestrol for other conditions.

Why has my veterinarian prescribed Digoxin for my dog ?

Digoxin is used to control the rate and rhythm of your dog's heart. It also improves the strength and efficiency with which the heart beats.

Why has my veterinarian prescribed Diltiazem for my dog?

Diltiazem is a calcium channel blocking agent which is used to treat high blood pressure and to decrease the heart rate. Diltiazem decreases the heart's need for blood and oxygen and therefore, reduces the amount of work the heart must do. It also helps the heart beat more regularly.

Why has my veterinarian prescribed Dimenhydrinate for my dog?

Dimenhydrinate is generally used to prevent nausea and vomiting caused by motion sickness in dogs. This medication may be used for other conditions as determined by your veterinarian.

Why has my veterinarian prescribed Diphenhydramine for my dog?

Diphenhydramine is an antihistamine used to prevent the symptoms of allergies. This medication may also be used for its sedative effect to calm your dog and therefore, prevent itching associated with an allergic response. This medication may be used for other conditions as determined by your veterinarian.

Why has my veterinarian prescribed Doxycycline for my dog?

Doxycycline is a semi-synthetic tetracycline antibiotic used to treat infections. This medication has been prescribed for your dog to treat a bacterial infection.

Why has my veterinarian prescribed Enalapril for my dog?

Enalapril is an angiotensin-converting-enzyme (ACE) inhibitor. This medication may be used to treat high blood pressure and as a vasodilator in the treatment of heart failure. High blood pressure makes the heart work harder. If this continues, the heart and arteries may get damaged and not function correctly. If the heart does not work properly, it could also damage the blood vessels of the brain, heart, and kidneys. This medication may be used for other conditions as prescribed by your veterinarian.

Why has my veterinarian prescribed Enrofloxacin for my dog?
Enrofloxacin is a fluoroquinolone antibiotic. This medication has been prescribed for your dog to treat a bacterial infection. It may be prescribed to treat urinary tract, skin or respiratory tract infections.

Why has my veterinarian prescribed Ephedrine for my dog?

Ephedrine is used to help control urinary incontinence in dogs. It may also be used to open up the air passages of the lungs and to relieve nasal congestion. Ephedrine is an alpha-receptor stimulant.

Why has my veterinarian prescribed Famotidine for my dog?

Famotidine is a histamine-blocking agent. It helps reduce the amount of gastric acid secreted in the stomach. Famotidine has been used for treating or helping to manage gastric or duodenal ulcers. It has also been used to treat gastritis and reflux conditions.

Why has my veterinarian prescribed Fenbendazole for my dog?

Fenbendazole is a de-wormer.

Why has my veterinarian prescribed Glipizide for my dog ?

Glipizide is a sulfonylurea anti-diabetic agent used to treat non-insulin dependent diabetes. Glipizide works by causing the pancreas to release more insulin into the bloodstream. 

Why has my veterinarian prescribed Griseofulvin for my dog?

Griseofulvin is an antifungal medication. It is used to treat fungal infections of the skin, hair and nails.

Why has my veterinarian prescribed Hydralazine for my dog?

Hydralazine is used to treat high blood pressure by decreasing the workload of the heart and arteries. It is also used as an added treatment in congestive heart failure.

Why has my veterinarian prescribed Hydroxyzine for my dog?

Hydroxyzine is an antihistamine. Antihistamines are used to relieve or prevent the symptoms of allergy. Your veterinarian may prescribe this medication to prevent itching in dogs. This medication has sedative properties.

Why has my veterinarian prescribed Imidacloprid for my dog?

Imidacloprid is a topical insecticidal agent prescribed by your veterinarian to treat fleas in dogs.

Why has my veterinarian prescribed Imipramine for my dog?
Imipramine is a tricyclic antidepressant. It may be used in dogs for the treatment of abrupt attacks of muscular weakness and diminished skeletal muscle control triggered by emotional stimuli such as anger and fear, separation anxiety, lick granuloma and urinary incontinence.

Why has my veterinarian prescribed Insulin for my dog?

Insulin is a hormone that helps the body turn the food your dog eats into energy. Insulin works by allowing the sugar to pass from the blood into the body’s cells to make fat, sugar and protein. Without insulin, sugar cannot get into the body’s cells. Insulin works whether the body makes its own insulin or if it is given by injection. Insulin is given when your dog has diabetes.

Why has my veterinarian prescribed Interferon for my dog ?

Interferon alfa-2a is used to alleviate the clinical effects of certain viral diseases, including certain cancers in dogs.

Why has my veterinarian prescribed Itraconazole for my dog?

Itraconazole is an antifungal medication used to treat fungal infections in dogs. There may be other conditions for which your veterinarian may prescribe this medication.

Why has my veterinarian prescribed Ivermectin for my dog ?

Ivermectin is used as a de-wormer and as a preventative for heartworm.

Why has my veterinarian prescribed Kaolin and pectin for my dog?

Kaolin and pectin are used to treat diarrhea. They may also be used to relieve the symptoms of an upset stomach and nausea. Occasionally this medication may be used as an adsorbent if the pet has ingested certain toxins.

Why has my veterinarian prescribed Ketoconazole for my dog?

Ketoconazole is an antifungal medication used to treat fungal infections in  dogs. There may be other conditions for which your veterinarian may prescribe this medication.

Why has my veterinarian prescribed Ketoconazole for my dog?

Ketoconazole is a non-steroidal anti-inflammatory medication used for lowering fever, pain management and to reduce inflammation.

Why has my veterinarian prescribed Lactulose for my dog ?

Lactulose may be used as a stool softener to treat constipation. In liver disease it may also be used to reduce the level of ammonia in the blood. This will help prevent hepatic encephalopathy, which is a condition associated with cirrhosis of the liver.

Why has my veterinarian prescribed L-Carnitine for my dog?

L-Carnitine is an amino acid derivative. It is synthesized from methionine and lysine. The body requires L-carnitine for energy metabolism. This medication has been used as adjunctive therapy for dogs with dilated cardiomyopathy. Other uses include protection against doxorubicin-induced cardiomyopathy and reduction of the risk of damage to the myocardium due to interruption of the blood supply to this area

Why has my veterinarian prescribed Levothyroxine for my dog?

Levothyroxine is used to treat low thyroid levels. This medication belongs to the general group of medicines called hormones. It is used when the thyroid gland does not produce enough thyroid hormone.

Why has my veterinarian prescribed Lincomycin for my dog?

Lincomycin is an antibiotic used to treat bacterial infections. This medication may be used to treat upper respiratory infections, skin infections, inflammation of the kidneys and inflammation of the uterus.

Why has my veterinarian prescribed Loperamide for my dog?

Loperamide is used to help manage diarrhea in dogs. It helps stop diarrhea by slowing down movement in the intestines. Loperamide has also been used in treating acute colitis and malabsorption/maldigestion.

Why has my veterinarian prescribed Lufenuron for my dog ?

Lufenuron is classified as an insect development inhibitor. Your veterinarian has prescribed this medication for the control of the flea population. 

Why has my veterinarian prescribed Marbofloxacin for my dog?

Marbofloxacin is a fluoroquinolone antibiotic. This medication has been prescribed to treat bacterial infections in your dog. This medication should not be administered to small and medium breed dogs less than 8 months of age and large breeds less than 12 months and giant breed dogs less than 18 months of age.

Why has my veterinarian prescribed MPA for my dog?

Medroxy progesterone acetate (MPA) is a hormone. In dogs, it has been used for treating benign prostatic hyperplasia. MPA may be used for other conditions as determined by your veterinarian.

Why has my veterinarian prescribed Megestrol acetate for my dog?

Megestrol acetate is used to postpone estrus and alleviate false pregnancy. It has also been used to treat a variety of skin conditions.

Why has my veterinarian prescribed Meloxicamfor my dog?

Meloxicam is a non-steroidal anti-inflammatory agent used to relieve pain and inflammation in dogs. It is indicated for the treatment of osteoarthritis in dogs.

Why has my veterinarian prescribed Methocarbamol for my dog this medicine?

Methocarbamol is used to relax muscles and reduce muscular spasms.

Why has my veterinarian prescribed Methylprednisolone for my dog?

Methylprednisolone is a glucocorticoid used for many conditions. This type of medication is used to suppress the immune system in diseases like systemic lupus, to stop itching, to treat Addison’s Disease, to treat certain types of cancer, to stop swelling of the brain, to treat certain kinds of anemia and to treat many other conditions. 

Why has my veterinarian prescribed Metoclopramide for my dog?

Metoclopramide is used to increase the movements or contractions of the stomach and intestines. It may be used to relieve the symptoms of vomiting and heartburn (gastro-esophageal reflux). This medication may be used for other conditions as determined by your veterinarian.

Why has my veterinarian prescribed Metronidazole for my dog?

Metronidazole is a synthetic antibacterial and antiprotazoal agent used in treating giardiasis, trichomoniasis, amoebiasis, balantidiasis and trypanosomiasis.

Why has my veterinarian prescribed Nystatin for my dog?

Nystatin is an antifungal antibiotic. It is used to treat oral or gastrointestinal tract infections. It can also be used to treat Candida skin infections.

Why has my veterinarian prescribed Omeprazole for my dog?

Omeprazole is used to treat certain conditions in which there is too much acid in the stomach. This medication may be prescribed for treating gastroduodenal ulcers and to prevent gastric erosions caused by non-steroidal anti-inflammatory drugs.

Why has my veterinarian prescribed Ondansetron for my dog?

Ondansetron may be used to treat or prevent nausea and vomiting that may occur after therapy with anti-cancer medications, radiation or surgery.

Why has my veterinarian prescribed Orbifloxacin for my dog?

Orbifloxacin is a fluoroquinolone antibiotic. This medication has been prescribed for your dog to treat a bacterial infection.

Why has my veterinarian prescribed Oxazepam for my dog?

Oxazepam is used as an appetite stimulant and to relieve anxiety. Oxazepam is a benzodiazepine. This class of medicines is used to slow down the nervous system.

Why has my veterinarian prescribed Paroxetine for my dog?

Paroxetine is used to treat a variety of behavioral disorders in dogs.   It may be used to correct aggressive behavior, thunderstorm phobias and excessive licking and hair pulling.  Paroxetine is a selective serotonin reuptake inhibitor antidepressant.

Why has my veterinarian prescribed Penicillin for my dog?

Penicillin antibiotics are effective against a range of infections caused by gram positive and gram negative bacteria. This medication has been prescribed for your dog to treat a bacterial infection.

Why has my veterinarian prescribed Pentoxifylline for my dog?

Pentoxifylline is used in dogs to promote healing and decrease inflammation caused by skin ulcers, especially in Shelties and Collies. This medication may also be used to increase blood flow to areas not getting enough blood.

Why has my veterinarian prescribed Phenobarbital for my dog?

Phenobarbital is used to help control seizures in dogs. It may be used alone or with other medication.

Why has my veterinarian prescribed Phenoxybenzamine for my dog?

Phenoxybenzamine is use to reduce internal urethral sphincter tone. It will allow your dog to pass urine easier. Phenoxybenzamine is classified as an alpha-adrenergic blocking agent. Phenoxybenzamine may be used for other conditions as determined by your veterinarian.

Why has my veterinarian prescribed Phenylpropanolamine for my dog?

Phenylpropanolamine is used to treat dogs unable to hold their urine (urinary incontinence). This medication is classified as an alpha adrenergic stimulant. This medication has also been used to help manage nasal congestion.

Why has my veterinarian prescribed Phytonadione for my dog?

Phytonadione is used to treat dogs that have been poisoned with warfarin or bishydroxycoumarin. These poisons may result in bleeding problems in dogs. This medication helps to stop the bleeding. Phytonadione may be used for other conditions as prescribed by your veterinarian.

Why has my veterinarian prescribed Pimobendan for my dog?

Pimobendan is used to treat congestive heart failure in dogs.  This medication helps to strengthen the muscular contractions of the heart and dilates blood vessels.

Why has my veterinarian prescribed Piroxicam for my dog?

Piroxicam is a non-steroidal anti-inflammatory medication used for lowering fever, pain management and to reduce inflammation. It may be used to help manage pain associated with degenerative joint disease and transitional cell carcinoma of the bladder in dogs.

Why has my veterinarian prescribed Bromides for my dog?

Bromides are used to help control seizures in dogs. It may be used alone or with other medication such as phenobarbital to help control seizures.

Why has my veterinarian prescribed Potassium chloride for my dog?

Potassium chloride is used to treat dogs  with low potassium levels. Potassium supplements may be used to treat or prevent potassium deficiency.

Why has my veterinarian prescribed Praziquantel for my dog?

Praziquantel is an anthelmintic. Anthelmintics are used to treat worm infections.

Why has my veterinarian prescribed Prednisolone for my dog?

Prednisolone is a corticosteroid. This type of medication is used to relieve inflamed areas, decrease swelling, redness, itching, allergic reactions and for supportive care during periods of stress. This medication may be prescribed for other conditions as determined by your veterinarian.

Why has my veterinarian prescribed Procainamide for my dog?

Your veterinarian has prescribed Procainamide to correct irregular heartbeats to a normal rhythm and to slow down a heart that is beating too fast. This allows the heart to work more efficiently.

Why has my veterinarian prescribed Propantheline bromide for my dog?

Propantheline bromide is used for the treatment of diarrhea, to decrease spasms and decrease secretions.  It may also be used to treat urine leaking.

Why has my veterinarian prescribed Propranolol for my dog?

Propranolol is a non-selective beta blocking agent, which is used to correct irregular heartbeat. Propranolol decreases the heart’s need for blood and oxygen and therefore, reduces the amount of work the heart must do. Propranolol may also be used to decrease high blood pressure. This medication may be prescribed for other conditions as determined by your veterinarian.

Why has my veterinarian prescribed Pyrantel pamoate for my dog?

Pyrantel pamoate is an anthelmintic. Anthelmintics are used to treat worm infections.

Why has my veterinarian prescribed Pyridostigmine bromide for my dog?

Pyridostigmine bromide is use for the treatment of myasthenia gravis.  This disorder is characterized by muscular weakness.  This medication inhibits the enzyme cholinesterase and allows weakened muscles to work better.

Why has my veterinarian prescribed Ranitidine for my dog?

Ranitidine is a histamine-blocking agent. It helps reduce the amount of gastric acid secreted in the stomach and helps protect the stomach against the formation of ulcers. It has also been used to treat gastritis and other reflux and hypersecretory conditions.  Ranitidine may be used to stimulate contractions of the stomach.

Why has my veterinarian prescribed Rifampin for my dog?

Rifampin is an antibiotic used to treat bacterial infections caused by Rhodococcus, Mycobacteria and Staphylococci.  Rifampin has antifungal activity when combined with other antifungal agents and may be used to treat infections such as histoplasmosis or aspergillosis.

Why has my veterinarian prescribed Selamectin for my dog?

Selamectin is a topical agent used to kill parasites in dogs. It is used to kill adult fleas, prevent flea eggs from hatching, prevent and control flea infestations, prevent heartworm disease and treat and control ear mite infestations in dogs. This product may also be prescribed by your veterinarian for the treatment and control of sarcoptic mange andcontrol of tick infestations in dogs.

Why has my veterinarian prescribed Selegiline for my dog?

Selegiline is used for the treatment of Cushing’s Disease and for older dogs that are losing their intellectual function (cognitive dysfunction).

Why has my veterinarian prescribed Sucralfate for my dog?

Sucralfate is used to treat oral, esophageal, gastric and duodenal ulcers. It may also be used to prevent non-steroidal anti-inflammatory induced ulceration. This medication forms a barrier over the ulcer. This barrier protects the ulcer from the acid of the stomach, allowing it to heal.

Why has my veterinarian prescribed Sulfamethoxazole / trimethoprim for my dog?

Sulfamethoxazole / trimethoprim is an antibiotic combination used to prevent and treat infections.

Why has my veterinarian prescribed Tetracycline for my dog?

Tetracycline is an antibiotic. This medication has been prescribed for your pet to treat a bacterial infection.

Why has my veterinarian prescribed Triamcinolone acetonide for my dog?

Triamcinolone acetonide is a corticosteroid. This type of medication is used to provide relief for inflamed areas of the body. It may be used to treat arthritic conditions and to decrease swelling, redness, itching and allergic conditions. There may be other conditions for which your veterinarian may prescribe this medication.

Why has my veterinarian prescribed Trimeprazine-Prednisolone for my dog?

Trimeprazine-Prednisolone is used to treat itching in dogs, especially if due to an allergy.  The combination may also be used to suppress a cough. 

Why has my veterinarian prescribed Tylosin for my dog?

Tylosin is a macrolide antibiotic similar to erythromycin and it is active against gram-positive and gram-negative bacteria, spirochetes, chlamydiae and mycoplasma organisms. It may be used to treat bronchitis, tracheobronchitis, laryngitis, tonsillitis, pneumonia, rhinitis, sinusitis, cellulitis, ear infections, inflammation of the urinary bladder, inflammation of the uterus, inflammation of the endometrium, inflammation of the skin and certain types of chronic diarrhea in dogs caused by organisms susceptible to tylosin. 

Why has my veterinarian prescribed Ursodiol for my dog?

Ursodiol is a naturally occurring bile acid that is used for treating liver disease in dogs and for the management of cholesterol-containing gallstones.

Sooner or later, most dogs vomit. Vomiting can be a sign of illness, but not every dog who vomits is sick. Dogs will put just about anything - from your dirty socks to last week’s turkey pot pie - in their mouths. If your dog eats something that’s too ripe, raw, or rancid his stomach will likely rebel. This reflex prevents your dog from suffering through days of bellyaches. Dogs with empty stomachs may vomit bile, a yellowish frothy liquid. This is more common in dogs and often occurs in the morning.