Rizatriptan
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- have been told not to have sex, not to engage in sexual activity /actions that widen your blood vessels;
- have low blood pressure (hypotension);
- have had a stroke lately;
- have unstable angina;
- have had a heart attack; or
- have a history of non-arteritic anterior ischaemic optic neuropathy (this condition causes a sudden loss of vision).
side effects of pde-5 inhibitors include:
.content pages
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how it works 
if your gp is enrolled in the nhs electronic prescription service, you can register to order your scripts online
once registered, let us know which medicines you need, and we will order these on your behalf.
once we receive your prescriptions from the surgery, our pharmacy dispenses and dispatches your medication.
