What side effects can Doxazosin have?
Below you will find the most important information about possible known side effects of doxazosin.
These side effects do not occur, but you can. Because every person reacts differently to medication. Please also note that the type and frequency of side effects may vary depending on the drug formulation (eg tablet, syringe, ointment).
Common side effects:
Muscle cramps, headache, drowsiness, drowsiness, dizziness, apathy, agitation, fatigue, weakness, impaired pupil adjustment, nausea, stomach irritation, constipation, fluid retention, drop in blood pressure, palpitations, dyspnoea, nasal congestion, increased urinary urgency , frequent urination, ejaculation disorders.
Uncommon side effects:
hair loss, facial swelling, flushing, paleness, muscle stiffness, muscle aches, joint pain, muscle weakness, loss of appetite, increased appetite, dry mouth, shaking hands, nightmares, memory loss, mood swings, feeling thirsty, abnormal lacrimation, photosensitivity, tinnitus , Elevation of liver function, jaundice, gout, myocardial infarction, circulatory collapse, heart disease, cardiac arrhythmia, potassium deficiency in the blood, circulatory disorders, respiratory spasms, pharyngitis, coughing, nosebleeds, incontinence, problems or pain when urinating, fever, chills.
Rare side effects:
conjunctivitis, skin rash, itching, small blotches in the skin (purpura), laryngeal edema (water retention), abnormal sensations, depression, restlessness, blurred vision, stomach pain, diarrhea, vomiting, circulatory disorders of the cerebral vessels, painful chronic erections , Impotence, in elderly patients, body temperature drop.
Very rare side effects:
inflammation of the liver, biliary stagnation (cholestasis), runny nose, changes in the blood count, blood in the urine, allergic reactions.
Side effects without frequency:
circulatory problems until circulatory collapse.
What are the interactions of Doxazosin?
Please note that the interactions may vary depending on the drug formulation of a drug (eg tablet, syringe, ointment).
Co-administration of doxazosin with PDE-5 inhibitors such as sildenafil or vardenafil may cause a sharp drop in blood pressure.
Doxazosin potentiates the hypotensive effects of other alpha sympatholytic agents, nitrates or vasodilators.
Non-steroidal anti-inflammatory drugs, sympathomimetics and estrogen reduce the blood pressure-lowering effect of doxazosin.
When taking doxazosin with dopamine, ephedrine, epinephrine, metaraminol, methoxamine and phenylephrine, their effect on blood pressure and blood vessels is attenuated.