Medicinali per l'urgenza urinaria e l'incontinenza

What are medicines for urinary urgency and incontinence used for?

Medicines for urinary urgency and incontinence are used to decrease the number of urine leakages, the number of trips to the toilet and the feeling of urgency.

Medicines for stress incontinence

For people with stress incontinence a medicine called duloxetina may be prescribed.

Duloxetine is normally used to treat depression. However, it was found to help with stress incontinence separate to its effect on depression. Duloxetine is thought to work by increasing the activity of chemicals called serotonin and noradrenaline (norepinephrine) in the body.

These chemicals are used in transmitting nerve impulses to muscles. Increasing the action of the chemicals stimulates the muscles around the urethra to contract more strongly.

Medicines for urge incontinence

Medicines from a different class to duloxetine, called antimuscarinics (also called anticholinergics), are used to help treat urge incontinence. There are several different types and many different brand names.

They include medicines such as:

• Oxybutynin.

• Tolterodina.

• Flavoxate.

• Darifenacin.

• Fesoterodine.

• Propiverina.

• Solifenacina.

• Trospium.

These medicines work by blocking certain nerve impulses to the bladder which relax the bladder muscle, so increasing the bladder capacity. Other medicines which are used less often are oestrogen gels/creams applied to the vagina (to treat urinary symptoms associated with the menopause), or a medicine called desmopressin.

A medicine called mirabegron is another option sometimes used to treat urge incontinence. It works by stimulating beta3 receptors in the bladder. This has the effect of relaxing the bladder muscles.

In the past other medicines (for example, propantelina e antidepressivi triciclici) were used to treat urge incontinence; however, they are not used any longer because of their side-effects.

Duloxetina is available as oral capsules. Antimuscarinics are available as capsules, tablets or skin patches. Some antimuscarinic tablets are available as slow-release tablets or capsules. This just means that the medicine is released into the body over a longer period of time and you don't have to take the tablets or capsules as often in the day.

When are medicines for urinary urgency and incontinence usually prescribed?

For people with stress incontinence, duloxetine may be advised if pelvic floor exercises alone are not helping to treat their stress incontinence. It is usually advised in women who do not want to undergo surgery, or in women who have health problems that may mean that surgery is unsuitable. Pelvic floor exercises are usually more effective if done with supervision by a healthcare professional, rather than alone at home. For those who are obese or overweight, weight loss may also help.

For people with urge incontinence, lifestyle measures (for example, weight loss and cutting down on caffeine and alcohol) and bladder retraining are normally tried first. If there is not enough improvement with bladder training alone, medicines may then be considered.

Which medicine is usually prescribed?

As discussed above, duloxetine is prescribed for stress incontinence.

For people with urge incontinence, oxybutinin (an antimuscarinic) is normally prescribed first. If you have too many side-effects with this medicine, your doctor may choose a different antimuscarinic such as darifenacin, fesoterodine, propiverine, solifenacin, tolterodine, or trospium. Your doctor may also choose a slow-release preparation of oxybutinin or an oxybutinin skin patch to help lessen side-effects.

You may be prescribed mirabegron if you are unable to take an antimuscarinic.

Other medicines that are used less often are oestrogen applied to the vagina and desmopressin. Desmopressin is usually prescribed on the advice of a specialist doctor. Topical oestrogen may be used with an antimuscarinic, and/or with systemic HRT which is taken as a tablet or through the skin as a patch, gel or spray.

Oestrogen applied to the vagina may be chosen for women who have gone through the menopausa and desmopressin is considered if you are passing urine frequently at night and you are younger than 65 years of age.

How well do medicines for urinary urgency and incontinence work?

For duloxetine, one study showed that in about 6 in 10 women who took duloxetine, the number of urine leakages halved compared to the time before they took the medication.

Therefore, on its own, duloxetine is not likely to cure the incontinence but may help to make it less of a problem. However, duloxetine in addition to pelvic floor exercises may give a better chance of curing the incontinence than either treatment alone.

Antimuscarinic medicines are all thought to be as effective as each other. They may improve symptoms in some cases but not in all. The level of improvement varies from person to person. You may have fewer toilet trips, fewer urine leaks and less urgency. However, it is uncommon for symptoms to go completely with medication alone.

Qual è la durata abituale del trattamento?

Duloxetina

Duloxetine is usually given for about a month; after this, you are assessed to see if your symptoms have improved. If your symptoms have improved, duloxetine may be continued and you are assessed every few months to see if it is still working.

Your doctor may decide to stop treatment if your symptoms do not improve. If your doctor thinks that you should stop taking duloxetine you should do this slowly - for example, over 1-2 weeks. You should never stop taking this medicine suddenly. This is because you can have withdrawal symptoms such as capogiro, feeling sick (nausea) e mal di testa.

Antimuscarinics

For antimuscarinics, a common plan is to try a course of medication for a month or so. If it is helpful, you may be advised to continue for up to six months or so and then stop the medication to see how symptoms are without the medication.

Symptoms may return after you finish a course of medication. If you combine a course of medication with bladder training, the long-term outlook (prognosis) is better and symptoms may be less likely to return when you stop the medication.

The need for continuing antimuscarinic medicine therapy should be reviewed every 4-6 weeks until symptoms stabilise and then every 6-12 months.

Side-effects of urinary urgency and incontinence medicines

Duloxetina

The most commonly reported side-effects are:

• Nausea.

• Bocca secca.

• Affaticamento.

• Costipazione.

These usually happen in the first week of treatment but most people find they go away after a few weeks. If these symptoms persist, your doctor may decrease your dose or consider stopping treatment.

Some people who take duloxetine have small increases in blood pressure. If you already have ipertensione or any other heart problems, your doctor will measure your blood pressure regularly. Your doctor may consider stopping treatment if there are concerns about your blood pressure.

Antimuscarinics

Side-effects are quite common with these medicines but are often minor and tolerable. The most common side-effect is a dry mouth and simply having frequent sips of water may counter this.

Other common side-effects include:

• Occhi secchi.

• Costipazione.

• Visione offuscata.

However, the medicines have differences and you may find that if one medicine causes troublesome side-effects, a switch to a different one may suit you better.

Mirabegron

The most common side-effects are a rapid pulse and urinary tract infections. Less common side-effects include indigestione, palpitations and raised blood pressure.

For a full list of side-effects see the information leaflet that came with your medicine.

Who cannot take medicines for urinary urgency and incontinence?

In general, most people are able to take these medicines; however, there are some people who are unable to take these medicines.

Duloxetina should not be taken by people who have severe kidney or liver problems, uncontrolled high blood pressure, glaucoma (raised pressure in the eye), or who are taking certain medicines - for example, antidepressants called monoamine-oxidase inhibitors.

Antimuscarinics should not be taken by people with:

• Myasthenia gravis. This is a condition where muscles become easily tired and weak.

• Severe bladder problems or urinary retention (where the body retains urine).

• Severe inflammation of the gut (colite ulcerosa).

• Blockage of the gut.

• A condition of the eye, known as uncontrolled angle-closure glaucoma.

For a full list of people who cannot take these medicines, see the leaflet that came with your medicines.

Can I buy medicines for urinary urgency and incontinence ?

No - you cannot buy medicines for urinary urgency and incontinence. They are only available from your pharmacist, with a doctor's prescription.

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