Cold Home > Precautions and Warnings With Diphenhydramine
To help minimize risks, it is important to discuss the precautions and warnings with diphenhydramine with your healthcare provider before treatment begins. This medication is not suitable for everyone; you should not take it if you are breastfeeding or allergic to any components used to make diphenhydramine. You should talk to your healthcare provider before using diphenhydramine if you have glaucoma, asthma, or heart disease.
What Should I Tell My Healthcare Provider Before Taking Diphenhydramine?
- An enlarged prostate (also known as benign prostatic hyperplasia, or BPH)
- Heart disease
- High blood pressure (hypertension)
- Chronic obstructive pulmonary disease (COPD)
- Alzheimer's disease
- Stomach ulcers
- Gastroesophageal reflux disease (GERD)
- Difficulty passing urine
- An overactive thyroid (hyperthyroidism)
- Any allergies, including allergies to food, dyes, or preservatives.
- Pregnant or thinking of becoming pregnant