​Common side effects that you may encounter when you use this medication

1. Pain, redness or soreness at injection site
2. Contact dermatitis
3. Allergic reactions such as rash, itching/swelling (especially of face, tongue, throat), trouble breathing

You can inform your healthcare professional if you experience other side effects other than the above that is making you feel unwell.

​Inform your doctor if you are allergic to vitamin B1 or any ingredients contained in the injection. If you are taking other medications, do inform your prescriber so that they can check for any incompatibilities as well.

​If your condition improves and you still require Vitamin B1 supplementation, your doctor may prescribe you with oral tablets instead of injection for easier administration.