If you experience drowsiness
, dizziness, hypotension or a headache as side-effects when using Guanethidine medicine then it may not be safe to drive a vehicle or operate heavy machinery. One should not drive a vehicle if using the medicine makes you drowsy, dizzy or lowers your blood-pressure extensively. Pharmacists also advise patients not to drink alcohol with medicines as alcohol intensifies drowsiness
side-effects. Please check for these effects on your body when using Guanethidine. Always consult with your doctor for recommendations specific to your body and health conditions.