Allergies Home > Benadryl Warnings and Precautions
Before taking Benadryl, you should talk with your healthcare provider if you have glaucoma, asthma, or high blood pressure. Other warnings and precautions with Benadryl include avoiding this drug if you are breastfeeding, watching out for potential drug interactions, and being aware of the medicine's sedation effects. Benadryl products (oral or topical) should never be used in newborns or premature infants.
What Should I Tell My Healthcare Provider Before Taking Benadryl?
- Stomach ulcers
- Gastroesophageal reflux disease (GERD)
- An enlarged prostate (also known as benign prostatic hyperplasia, or BPH)
- Difficulty passing urine
- An overactive thyroid (hyperthyroidism)
- Heart disease
- High blood pressure (hypertension)
- Chronic obstructive pulmonary disease (COPD)
- Alzheimer's disease
- Any allergies, including allergies to food, dyes, or preservatives.
- Pregnant or thinking of becoming pregnant