Is hibiscus safe during pregnancy? No — and the reason is not whether it is hot or cold
Medically reviewed by Zeinab Alkashaf · August 11, 2026
Quick answer
No — hibiscus is best avoided during pregnancy. The reason is twofold: it is known to lower blood pressure, which is not what you want in a period when blood pressure naturally dips for many women and causes dizziness and faintness; and evidence — mostly laboratory and animal studies — suggests it may stimulate uterine contractions. Human evidence is limited, and we will not overstate it, but the practical logic is clear: an entirely optional drink with many delicious, safe alternatives, against a risk there is no need to take. And if you drank a cup or two before you knew you were pregnant, there is no cause for worry — simply stop.
Why it is best avoided
Hibiscus is one of the most present drinks on our tables, especially in Ramadan and on summer days, which is why many women are surprised to find it among the things to avoid. The two main reasons:
Lowering blood pressure: this is a known effect of hibiscus, sometimes studied as a benefit for people with hypertension. But in pregnancy blood pressure naturally dips in the second trimester for many women, and adding something that lowers it further can mean dizziness, fatigue, and fainting
Possible uterine stimulation: laboratory and animal studies suggest a potential effect on uterine contraction. Human evidence is not sufficient to be certain, but it is sufficient to be cautious in a period where there is no reason to take a risk for no benefit
Interaction with medication: if you take blood pressure medicine, combining the two may lower your pressure more than intended
Note that the recommendation here is precautionary rather than absolute, and that distinction matters. Hibiscus is not poison, and one cup is not a catastrophe. But when the alternative is this easy — and the safe options are many — there is no good reason to insist on it for nine months.
What to drink instead
Qamar al-Din (apricot drink) — a safe and much-loved Ramadan drink; just watch the sugar
Carob drink — a suitable alternative with a distinctive flavour
Mint or ginger tea — both safe, and helpful for digestion and nausea
Chilled water with lemon and mint — refreshing and fills the same need on summer days
Fresh fruit juices from a trusted, pasteurised source
Myth Hot hibiscus raises blood pressure and cold hibiscus lowers it — so a pregnant woman can safely drink it hot.
Fact This is one of the best-known myths in our region, and it is not true. The temperature of a drink does not change the active compounds inside it; a hot cup and a cold cup contain the same thing, and the difference is in sensation, not effect. The observed effect of hibiscus on blood pressure is to lower it in both cases. The confusion may arise because any hot drink causes temporary dilation, a feeling of warmth, and a slight rise in pulse, which gets misread as "raising blood pressure". Practically: there is no version of hibiscus made safe in pregnancy by its temperature, and the recommendation is the same hot or cold.
When to ask your doctor
Ask your doctor if you take blood pressure medication or have recurrent low blood pressure, and if you drink hibiscus in large amounts daily and have just discovered your pregnancy. Seek medical assessment if you feel severe dizziness or faintness or a racing pulse, or if you have regular contractions or bleeding — these symptoms are always assessed whatever their cause. After birth you can return to it gradually, but if you are breastfeeding, keep to small amounts.
Frequently asked questions
I drank hibiscus before I knew I was pregnant — should I worry?
A cup or two is not a cause for concern. The recommendation to avoid it is precautionary and aimed at regular consumption, not an occasional cup. Stop from now on, and if you have any worrying symptom such as bleeding or contractions, see your doctor.
Is cold hibiscus safer than hot for a pregnant woman?
There is no difference. Temperature does not change the active compounds, and the belief that hot raises and cold lowers blood pressure is a common myth. The recommendation is the same for both: best avoided during pregnancy.
When can I go back to drinking hibiscus?
After birth you can return to it gradually. If you are breastfeeding, keep to small amounts. And if you take blood pressure medication, ask your doctor first, since combining the two may lower your pressure more than intended.
Dawrat Hayat