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May 06, 2026 - 11:04 AM
We’ve provided several answers to questions related to Histantil , see some other helpful Q&A related to this product.
Question: What should I tell my doctor before starting this medication?
Answer: You should inform your doctor of all allergies you have and any other medications you are taking before starting. This is important because it helps avoid potential allergic reactions or drug interactions that could be harmful.
Question: What is the major side effect of promethazine?
Answer: The major side effect of promethazine is drowsiness or sedation. Other common side effects may include dizziness, dry mouth, and blurred vision. It is important to avoid activities that require alertness, such as driving, while taking this medication.
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