Prexam Drug: What to Know Before You Buy or Use It

Reviewed by Ime Last updated: 2026-05-02

This article is for general medicine-safety education and does not replace advice from your doctor or pharmacist.

Prexam can be useful in the right clinical setting, but it is easy to misunderstand if all you have seen is the pack name. This guide explains what Prexam injection is, what to confirm at the pharmacy, and why bleeding should not be treated casually.

First, confirm the exact medicine

Prexam on the Amela Pharmacy product page is Prexam Tranexamic Acid Injection BP 500 mg/5 ml, supplied as 5 ampoules of 5 ml. The active ingredient is tranexamic acid. This is different from oral tranexamic acid tablets or capsules that some people know for heavy periods.

That distinction matters. A name can look familiar, but the form changes how the medicine should be handled. Prexam injection is for intravenous administration under professional care; it is not something to buy casually, keep at home, and self-inject whenever bleeding starts.

What tranexamic acid does, in plain terms

Tranexamic acid helps the body hold on to clots that have already formed, so bleeding may reduce in suitable situations. It does not find the cause of bleeding, replace stitches, surgery, obstetric care, or make every type of bleeding safe to manage at home.

If a prescriber has chosen it, the useful question is not just: will this stop blood? The better question is: why am I bleeding, and is tranexamic acid the right tool for this situation?

Why medical direction matters with the injection

Injectable tranexamic acid needs the right patient, route, setting, and monitoring. The WHO has warned about serious medication errors when tranexamic acid injection is confused with medicines meant for spinal anaesthesia, which is one reason trained handling is important.

Do not let the strength on the pack become a do-it-yourself dose. The strength only identifies the product. Your prescriber or attending clinician decides whether it is appropriate and how it should be given.

Health details to mention before it is supplied

Before Prexam is supplied or administered, tell the pharmacist, doctor, nurse, or midwife if you have ever had a blood clot such as DVT or pulmonary embolism, kidney disease, seizures, eye or vision problems, or a condition that affects clotting.

Also speak up if you are pregnant, trying for pregnancy, recently gave birth, breastfeeding, or having irregular vaginal bleeding. These details do not automatically mean the medicine can never be used, but they can change the decision and the setting of care.

Do not use it to cover unexplained bleeding

Bleeding between periods, bleeding after sex, very heavy periods, or bleeding in pregnancy needs assessment. Tranexamic acid may be part of a clinician's plan for some bleeding problems, but it should not be used to hide a cause that has not been checked.

For heavy periods, clues that review is needed include bleeding that disrupts normal life, large clots, bleeding through clothing or bedding, severe pain, tiredness, breathlessness, bleeding between periods, or bleeding after sex.

Practical pharmacy checks before you pay

Ask the pharmacy to confirm the exact product name, strength, pack size, route, prescriber instruction, expiry date, and storage label. The Amela product page states storage below 30 C and keeping the medicine away from children; still, follow the printed pack information because batch packaging is the final reference in your hand.

If the pack looks damaged, the ampoules are cracked, the label is unclear, or the printed expiry has passed, do not accept it. Return to the pharmacist for a proper check.

Before you buy or receive Prexam

• Confirm it is Prexam Tranexamic Acid Injection BP 500 mg/5 ml, not an oral tranexamic acid product.
• Confirm who prescribed it and what bleeding problem it is meant for.
• Confirm who will administer it and where it will be given.
• Mention any history of blood clots, kidney disease, seizures, vision problems, pregnancy, or unusual vaginal bleeding.
• Check that the pack is sealed, within printed expiry, stored as labelled, and kept away from children.

When to seek urgent care

• Get urgent care for heavy or ongoing bleeding, bleeding after major injury, bleeding around childbirth, or bleeding with fainting, severe weakness, chest pain, or shortness of breath.
• Any vaginal bleeding in pregnancy needs medical advice promptly, especially with severe abdominal pain, shoulder pain, dizziness, fainting, or very heavy bleeding.
• Possible clot symptoms need urgent review: one swollen, painful, warm, or red leg; sudden breathlessness; chest pain; coughing blood; lightheadedness; or fainting.
• Seek emergency help for swelling of the lips, face, tongue, or throat, wheezing, or a severe rash after any medicine.

Need the exact Prexam Tranexamic Acid Injection BP?

Check the product page for availability, pack details, and price, then ask our pharmacy team if you are not sure it suits you.

View Prexam Tranexamic Acid Injection BP at Amela Pharmacy

Sources & further reading

• Amela Pharmacy Prexam product page
• NAFDAC-hosted tranexamic acid injection product characteristics
• NHS who can and cannot take tranexamic acid
• NHS side effects of tranexamic acid
• NHS heavy periods
• NHS vaginal bleeding in pregnancy
• NHS vaginal bleeding between periods or after sex
• CDC blood clots
• WHO tranexamic acid injection medication-error alert
• WHO postpartum haemorrhage guidelines