Side effect

What happens

What to do about it

COMMON (more than about 1 in 10 people might get these)

Dizziness

Feeling light-headed and faint.

Don't stand up too quickly. Try and lie down when you feel it coming on. Don't drive.

Constipation

When you want to poop but can't (the opposite of diarrhoea). You can't pass a motion.

Make sure you eat enough fibre, cereal or fruit. Make sure you are drinking enough fluid. Make sure you keep active and get some exercise e.g. walking. If this does not help, ask your doctor or pharmacist for a mild laxative.

Dry mouth

Not much saliva or spit.

Suck sugar-free boiled sweets. If it is bad, your doctor may be able to give you a mouth spray.

Constipation

Feeling 'bunged up' inside. You can't pass a motion.

Make sure you eat enough fibre or bran or fruit. Make sure you are drinking enough fluid. Make sure you keep active and get some exercise e.g. walking. If this does not help, ask your doctor or pharmacist for a mild laxative.

Sexual dysfunction

Finding it hard to have an orgasm. No desire for sex

Discuss with your doctor.

Insomnia

Not being able to get to sleep or stay asleep.

Take your dose in the morning. Discuss with your doctor.

UNCOMMON (less than about 1 in 10 people might get these)

Weight loss

A smaller appetite and losing weight.

This is usually mild.