Drugs Home > Phenergan Warnings and Precautions
Before starting Phenergan, warnings and precautions for the medication should be reviewed with your healthcare provider. It is important to know that the drug can cause potentially fatal slow or irregular breathing, increase the risk of seizures, and cause a life-threatening condition called neuroleptic malignant syndrome. You should never give Phenergan to a child under two years old, as the drug can cause fatal breathing problems.
- Chronic obstructive pulmonary disease (COPD)
- Sleep apnea
- Seizures or epilepsy
- Reye's syndrome
- Liver disease, such as liver failure, hepatitis, or cirrhosis
- An enlarged prostate (also known as benign prostatic hyperplasia or BPH)
- Difficulty passing urine
- Heart disease
- Any other allergies, including allergies to food, dyes, or preservatives.
- Pregnant or thinking of becoming pregnant
- Undergoing chemotherapy or radiation treatments.