Benadryl

• 
  
  Diphenhydramine hydrochloride, sometimes sold as Benadryl, is an effective antihistamine and sedative often recommended by veterinarians.
  
  

Claritin

• The loratadine ingredient helps ease itching in many dogs.
  
  

Chlor-Trimeton

• The chlorpheniramine ingredient is often recommended by veterinarians to relieve itching for allergic dogs.
  
  

Tavist

• 
  
  Clemastine, known as Tavist and other names, is used for dermatitis or skin problems.
  
  

Fish Oil Capsules

• The omega-3 fatty acids in fish oil work in the skin to help ease allergy problems in dogs.
  
  

Flaxseed Oil Capsules

• 
  
  Fatty acids in flaxseed help lubricate the skin and prevent allergy problems.
  
  

Warning

• Use only basic allergy medications. Never use pain or decongestant versions such as Tavist-D, Claritin-D or Benadryl Sinus. Added ingredients such as acetaminophen or pseudoephedrine can be harmful to dogs.