Answer
Taking dutasteride + tamsulosin with sildenafil can cause symptomatic low blood pressure because tamsulosin and sildenafil both dilate blood vessels and lower blood pressure.
Sources for this answer
- Combodart 0.5 mg / 0.4 mg hard capsulesGlaxoSmithKline UK · emc · SmPC §4.4 Special warnings and precautions for use · Version 15Document updated
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