The short explanation
It may be, and this needs urgent attention. Some blood pressure medicines, particularly a group called ACE inhibitors, can cause swelling of the lips, tongue, face or throat, known as angioedema. It can happen weeks, months or even years after starting the medicine, and often appears without a rash or itching. Swelling of the tongue or throat can block the airway, so please take her to an emergency department now, especially if her voice has changed, she has trouble swallowing or breathing, or the swelling is getting worse. Bring her medicine strip so doctors can see exactly what she is taking. She should not take the next tablet until a doctor has reviewed it.
What depends on your situation
The parts of this that change from woman to woman. Uncertainty is stated, not hidden.
- If this medicine is the cause, her doctor will switch her to a different type of blood pressure medicine.
- This type of swelling does not always respond to usual allergy treatments, so hospital care matters.
- Make sure every doctor and pharmacist who treats her in future knows about this reaction.
What this answer cannot determine
The boundary of online education. These need a clinician who can see you.
- This cannot confirm that the tablet caused the swelling. Doctors need to examine her urgently and review her medicines.
Questions for your clinician
Take these with you. You can add any of them to an appointment card.
- Is her swelling caused by the BP medicine?
- Which BP medicine can she take instead?
- Which medicines should she avoid in future?
- What should we do if swelling happens again?
When to seek help
Clinician-approved guidance for this topic. When in doubt, being seen is never the wrong choice.
Emergency — call 112 now
- Call 112 or go to the nearest emergency department now, especially if she has trouble breathing, swallowing or speaking.
Get help the same day
- Even if the swelling is mild, she should be seen by a doctor the same day.
Raise it at a routine appointment
- Book a routine follow-up with her doctor to review her blood pressure treatment.
Sources
The evidence this explanation is built on.
- Skin conditions MedlinePlus (US National Library of Medicine)
- Steroids NHS
- Hydrocortisone NHS
Who wrote and reviewed this
Every AskHer answer names its author. A clinically reviewed answer also names the clinician who signed it off — if no clinician is named below, it has not been clinically reviewed.
- Author
- AskHer Editorial (AI-assisted draft) AskHer's editorial team — not an individual clinician Works in English, தமிழ், हिन्दी
- Clinical reviewer
- Nobody yet No clinician has signed this answer off, and no person on the editorial team has read it yet. That is what the “Written with AI assistance” label means. It is queued for an editor to read, and then for a clinician who works in this area. The sources it was drafted against are listed above.
- Review status
- Written with AI assistance — not yet reviewed by a person
- Last reviewed
- Not yet reviewed by a person
- Version
- 1
Correction history
Substantive changes are listed, not quietly edited away.
No corrections have been made since this answer was first published.
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