Headache from botox injections? Know the side effects and how to take care of yourself after the injection.
- Nabi
- Jul 18
- 4 min read

Botox (Botulinum Toxin) injections have become one of the most popular cosmetic procedures in recent years. Not only does it help reduce wrinkles on the forehead, crow's feet or brow furrows, it can also help tighten the face without surgery, making it suitable for those who want to take care of themselves to look younger without having to recover.
However, there is a question that is often asked by new users: “Is it worrisome to have a headache after getting Botox injections?” This question is not a small matter because many people are worried that it may be due to an allergic reaction or some kind of problem with the nervous system. Today, Pure Clinic will answer your questions and provide advice from expert doctors so that you can make a more confident decision.

Why do I have a headache after getting botox injections?
Although Botox has been used in the medical field for both cosmetic and medical purposes for decades and has been approved for safety by the Food and Drug Administration (FDA), some people experience side effects such as headaches, which can be caused by a number of factors, including:
1. Muscle response
When Botox works on a muscle, it causes it to relax and temporarily stop working. The surrounding muscles may need to adjust, causing tightness or discomfort for the first 1-2 days.
2. Injection location and technique
If injected in the forehead or between the eyebrows, which are close to nerves, it may cause a dull ache or headache, especially in people with a history of migraines.
3. Stress or anxiety
Feelings of fear or stress during the service, especially for those who are getting their first injection, can cause more stress headaches than the effects of the medication.
4. Body response
Some people may be sensitive to botulinum toxin, which can cause mild side effects that usually go away on their own within a short period of time.

Are headaches after botox injections dangerous?
In general, headaches after Botox injections are considered harmless and are usually just a temporary side effect that disappears within 24-72 hours. The symptoms are usually mild to moderate, do not interfere with daily life, and can be relieved by:
Drink plenty of water.
Get enough rest
Take paracetamol pain relievers.
Avoid massaging or touching the injection area.
But if you have these symptoms, you should see a doctor immediately:
Severe headache that does not improve within 2-3 days
Nausea, vomiting, or fever
Blurred vision, blurred vision, or drooping eyelids
Abnormal muscle weakness in other parts of the body

Other side effects may occur but are not dangerous.
In addition to headaches, there are other side effects that can occur after Botox injections, which are usually temporary, harmless, and go away on their own, such as:
1. Slight bruising or swelling at the injection site.
It is caused by a needle being inserted into the skin layer. This symptom usually disappears within 2-5 days and can be covered with makeup.
2. Temporary tightness or heaviness in the face
Some people may feel that their forehead is tight or they cannot smile fully for the first 1-2 weeks, which is normal as the muscles adjust to the effects of Botox.
3. Slight ptosis
In cases where the injection is near the muscles that control the eyelid, if the technique is not appropriate, temporary ptosis may occur, which usually disappears in 2-4 weeks.
4. Itching or irritation
Some people may experience slight itching at the injection site, which is not an allergic reaction but a natural response of the skin.
Self-care after botox injections
For best results and to reduce the risk of side effects, follow these guidelines:
Avoid lying down for the first 4-6 hours.
Avoid strenuous exercise for 24 hours.
Do not massage, press, or touch the injection area.
Avoid extreme heat, such as saunas or steam rooms, for the first 3-5 days.
Avoid drinking alcohol for 24 hours after injection.
Why should I get Botox injections at Pure Clinic?
At Pure Clinic, we take every step to ensure the highest safety and satisfaction of our clients:
Use high quality Botox from Korea and America that is certified by the FDA.
Supervised by experienced doctors
The clinic atmosphere is warm and minimalist, like a cafe.
Provide consultation before and after every case to ensure that customers are confident and receive results that meet their needs.
Summary
Headaches after Botox injections are usually just a minor, temporary side effect and do not cause serious harm. If the injections are given by a skilled doctor and the instructions are followed correctly, the chances of side effects can be greatly reduced.
If you are looking for a reliable clinic in Bangna area that provides quality service and care in every step
Details Pure Clinic is the right answer for you.
📍 Pure Clinic, Anacade Project Open: Wednesday - Sunday | 13:00 - 20:00 Closed on Monday and Tuesday
📞 Call: 099-956-4799 / 063-947-4447 Line: @pureskinclinicbkk 🌐 Website: www.pureclinicbangna.com
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