Common Weakness, Dizziness, Ejaculation disorder, Constriction of pupil, Orthostatic hypotension (sudden lowering of blood pressure on standing), Gastrointestinal discomfort, Nasal congestion, Increased heart rate.

Expert advice for Zaxyben Injection

Exercise caution during treatment with phenoxybenzamine in an elderly patient.
Inform your doctor, if you have any heart complaints, brain arteries thickening, low blood pressure or kidney diseases.
Do not drive or operate machinery as phenoxybenzamine may cause drowsiness or dizziness.
Tell your doctor if you are pregnant or planning to become pregnant or are breastfeeding.

Q. How long and quick does Zaxyben take to work?
The effect of Zaxyben starts in about 1 hour after an intravenous dose. Following oral administration, the action starts gradually over several hours and persists for 3-4 days following a single dose

Q. Is Zaxyben an antibiotic?
No, Zaxyben is not used as an antibiotic.