EREX 120 Mg (Sildenafil Citrate)

What is Erex 120 mg?

How It Works (Mechanism of Action)

Sildenafil restores the body’s natural erection pathway:

3. Dosage Guide

Patient Group	Recommended Approach	Maximum Frequency	Key Notes
Adult men, first-time use	50 mg	Once in 24 hours	Never start treatment at 120 mg
Adult men, inadequate response to 50 mg	100 mg	Once in 24 hours	100 mg is the approved maximum
Adult men, inadequate response to 100 mg	Medical review	–	Investigate the cause before raising the dose
Adult men prescribed 120 mg	One tablet	Once in 24 hours	Only on specific medical direction
Adult men, side effects at 120 mg	100 mg or 50 mg	Once in 24 hours	Ask your doctor about reducing
Men aged 65 and over	25 mg starting dose	Once in 24 hours	120 mg is generally unsuitable
Mild to moderate liver impairment	25 mg starting dose	Once in 24 hours	120 mg is not recommended
Severe liver impairment	Not recommended	–	Sildenafil should be avoided
Severe kidney impairment (CrCl under 30 mL/min)	25 mg starting dose	Once in 24 hours	120 mg is not recommended
Taking CYP3A4 inhibitors (ketoconazole, erythromycin, clarithromycin)	25 mg	Once in 24 hours	120 mg is contraindicated in practice
Taking ritonavir or cobicistat	25 mg	Once in 48 hours	Strict limit; do not use 120 mg
Taking alpha-blockers (tamsulosin, doxazosin)	25 mg starting dose	Once in 24 hours	Stabilise the alpha-blocker dose first
Absolute limit for any patient	One tablet	One dose per 24 hours	Never take two tablets in a day

How to Take It

Precautions

Absolute Contraindications – Do Not Use If You

Conditions to Disclose to Your Doctor

Tell your doctor before use if you have or had:

Also disclose every medicine, supplement, and herbal product you take.

Food and Drink Precautions

Item	Effect	Recommendation
High-fat meals	Delay absorption and onset	Take on an empty stomach or after a light meal
Grapefruit and grapefruit juice	Raise sildenafil blood levels further	Avoid entirely on dosing days
Alcohol	Impairs erection and lowers blood pressure	Limit strictly; avoid binge drinking
Excess caffeine	May worsen palpitations and headache	Reduce intake around dosing
Water	No interaction	Use a full glass to swallow the tablet
Grapefruit-containing supplements	Same risk as the fruit	Check labels and avoid
Seville oranges and pomelo	May affect the same enzyme pathway	Best avoided on dosing days

Before-Use Safety Checklist

Confirm every point below before each dose:

Side Effects

Side effects are dose-related. Expect them to be more frequent at 120 mg than at 100 mg.

Side Effect	Frequency	What To Do
Headache	Common	More likely at this dose; rest and hydrate
Facial flushing or warmth	Common	Settles as the drug wears off
Indigestion or heartburn	Common	Avoid heavy or spicy meals
Blocked or runny nose	Common	Temporary; no treatment usually needed
Dizziness	Common	Sit or lie down; do not drive
Blurred or blue-tinged vision	Common	More likely at this dose; avoid driving
Light sensitivity	Common	Avoid bright screens and sunlight
Nausea	Common	Take with a light snack next time
Back pain or muscle ache	Common	Usually resolves within 24 hours
Rapid or pounding heartbeat	Less common	Rest; seek advice if it persists
Nosebleed	Less common	Apply pressure; report if repeated
Dry mouth or altered taste	Less common	Sip water regularly
Skin rash or itching	Less common	Stop use and contact your doctor
Low blood pressure symptoms	Less common	Stop use; seek medical advice
Ringing in the ears	Less common	Report to your doctor
Fainting or near-fainting	Rare	Stop use; seek medical care
Chest pain	Rare	Emergency; see section 8
Priapism (erection over 4 hours)	Rare	Emergency; see section 8
Sudden vision loss (NAION)	Rare	Emergency; stop use permanently
Sudden hearing loss or tinnitus	Rare	Emergency; stop use immediately
Seizure	Very rare	Emergency; call for help
Severe skin reaction with blistering	Very rare	Emergency; stop use immediately

If side effects trouble you at 120 mg, a lower dose is likely to work just as well. The erectile benefit does not increase above 100 mg.

Drug Interactions – Avoid With

Never combine (dangerous):

Use only with medical supervision and dose adjustment:

These drugs raise sildenafil blood levels. Combining them with 120 mg is especially risky.

May reduce effectiveness:

Always show your doctor a full list of your medicines.

Emergency Warning Signs

Stop the medicine and seek emergency care immediately if you experience:

Why Choose Erex 120 mg

This section is deliberately honest. Read all of it.

What this product offers:

What this product does not offer:

What the extra 20 mg does bring:

Who should use a lower strength instead:

Storage Instructions

Medical Disclaimer

This content is for information only. It is not medical advice. Erex 120 mg is a prescription-only medicine. The 120 mg strength exceeds the approved sildenafil maximum of 100 mg and is not licensed in the US, UK, or EU. Clinical evidence shows no additional erectile benefit above 100 mg, while adverse effects increase with dose. Nitrate medicines must be avoided for at least 24 hours after a dose. Use only under a qualified doctor’s supervision and direction. Always read the manufacturer’s package insert before use. Consult your doctor or pharmacist about your specific condition and dose.