Benadryl should not be taken by anyone with a known allergy to any ingredient in the product. Benadryl may not be appropriate for everyone due to the potential interaction with a variety of medications, side effects and risks related to other medical conditions. Benadryl may not be right for you if you have these conditions:
- gastroesophageal reflux disorder
- persistent cough or cough with mucus
- enlarged prostate
- hyperthyroid disease
- diseases of the heart
- chronic obstructive pulmonary disease
If you are currently taking or recently stopped taking a monoamine oxidase inhibitor (MAOI), you should talk to your doctor prior to taking Benadryl. Benadryl should never be used for the purpose of sedation in children.