What it is used for
- Treating premature ejaculation in adult men
How it is used
- Take it only as prescribed by your doctor, before sex as the leaflet says; your doctor decides the dose, and never take more than prescribed
- Swallow the tablet whole with a full glass of water, with or without food
- It is not taken regularly every day; take it only when needed
Possible side effects
- Nausea, dizziness or headache
- Diarrhoea, difficulty sleeping or tiredness
- Rarely, fainting, which may come after nausea, dizziness or sweating
Who should not use it
- Do not use it if you have heart disease such as heart failure, rhythm problems, coronary heart disease or valve disease, or have fainted before
- Do not use it with antidepressants, lithium, tramadol, linezolid, triptan migraine medicines or St John's wort
- Do not use it if you have mania, severe depression or moderate to severe liver disease
- Do not use it with strong medicines that affect liver enzymes, such as ketoconazole, itraconazole, ritonavir and clarithromycin
Before and while using it
- If you feel dizzy, sick or sweaty, sit or lie down straight away until you feel better, to avoid falling
- Do not drink alcohol with it, as this raises the risk of dizziness and fainting
- Do not drive or use machines if you feel dizzy or sleepy
- Do not use it with recreational drugs
- Tell your doctor if you have epilepsy, a bleeding problem or raised pressure in the eye
Medicine interactions
- Erectile dysfunction medicines and blood pressure medicines may add to dizziness on standing
- Anti-inflammatory painkillers, aspirin and blood thinners may raise the risk of bleeding
- Tell your doctor or pharmacist about all your medicines before using it
Pregnancy and breastfeeding
- This medicine is for men only and is not used by women
How to store it
- Store at room temperature away from heat and moisture, out of the sight and reach of children.
Get medical help straight away if
- Your face, lips or tongue swell, or you find it hard to breathe.
- You get a severe rash, blistering or peeling skin.
- A side effect worries you or doesn’t go away: contact your doctor or pharmacist.
Questions about this medicine?
Talk to a doctor by video, or send your question by text.
Source: Standard international medicine references
This guide is general information and doesn’t replace advice from your doctor or pharmacist. Don’t start, stop or change a medicine without asking them, and always read the leaflet in the pack.