Function

• Tavist is an antihistimine drug formulated for use in humans. This drug is safe and effective for use in dogs when prescribed and used as directed by a veterinarian.
  
  

Types

• Tavist is one brand name of this antihistimine; other names include Antihist-I, Dayhist or Clemastine.
  
  

Side Effects

• Drug allergies, sedation, lethargy, vomiting, diarrhea and loss of appetite are side effects experienced by some animals given Tavist.
  
  

Considerations

• Using a dose of Tavist that is too low for your dog will result in a less effective treatment. Your veterinarian can tell you the proper dosage to use for your dog's needs.
  
  

Warning

• Tavist is unsafe for dogs who suffer from glaucoma, heart disease, high blood pressure, lung disease or prostate enlargement.