Terazosin

Dosage Forms Available

• Terazosin is available for oral use in the form of tablets and capsules.

Age and Dose Restrictions

• Terazosin is intended for adult males only. It is not recommended for use in females or children.

Contraindications

• Terazosin should not be used by individuals who have a known allergy to it or similar alpha-1 blocker medicines such as doxazosin, prazosin, silodosin, alfuzosin, or tamsulosin.
• It is also contraindicated in people with a history of orthostatic hypotension (low blood pressure when standing up).

Other Medications to Avoid with this Medicine

• Terazosin can interact with other alpha-1 blockers (such as doxazosin and tamsulosin), antihypertensives (like metoprolol and lisinopril), nitrates (such as nitro-glycerine), and phosphodiesterase-5 inhibitors for erectile dysfunction (like sildenafil and tadalafil).

Overdose and Missed Dose

• An overdose of Terazosin can potentially cause serious symptoms like fainting, fast heartbeat, skin rash, itching, shortness of breath, and prolonged painful erections. If you observe any of these symptoms, inform your doctor immediately.
• If you miss a dose, take it as soon as you remember. However, if it is close to the timing of your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose to make up for the missed one.

Management of Side Effects

Most side effects are temporary, generally harmless, and resolve when discontinuing this medicine. However, if you experience any severe side effects or worsening of any of the symptoms, please consult your doctor.

• Taking the medication at bedtime can help minimise dizziness and light-headedness.
• Getting up slowly from a sitting or lying position can also reduce the risk of light-headedness and potential falls.

Use in Driving and Operating Machinery

• Terazosin may cause dizziness and light-headedness, which can affect your ability to drive or operate heavy machinery. Avoid these activities until you know how this medicine affects you.

Caution in Other Conditions

• Individuals with liver disease should use this medicine with caution, as it can potentially worsen their condition.

Special Dietary and Lifestyle Recommendations

• Limit the intake of liquids in the evening to reduce frequent urination at night.
• Avoid alcohol while taking this medication, as it can further lower blood pressure and increase side effects such as dizziness.