Hypoglycemia (low blood sugar) can be very serious. Hypoglycaemia is a very commonly reported side effect (may affect more than 1 on 10 people). Hypoglycaemia (low blood sugar) means that there is not enough sugar in the blood. If the blood sugar level falls too much the patient may become unconscious. Serious hypoglycaemia may cause brain damage and may be life-threatening. If the patient have symptoms of low blood sugar, take actions to increase the blood sugar level immediately.
If the patient experience the following symptoms, contact the doctor immediately: Systemic allergic reactions are side effects reported uncommonly (may affect up to 1 in 100 people).
Generalised allergy to insulin: Associated symptoms may include large-scale skin reactions (rash and itching all over the body), severe swelling of skin or mucous membranes (angiooedema), shortness of breath, a fall in blood pressure with rapid heartbeat and sweating. These could be symptoms of severe cases of generalised allergy to insulin, including anaphylactic reaction, which may be life-threatening.
Hyperglycaemia (high blood sugar) means that there is too much sugar in the blood. The frequency of hyperglycaemia cannot be estimated. If the blood sugar level is too high, this tells that the patient may need more insulin than they have injected. This can be serious if the blood glucose level becomes very high.
Other side effects: Common reported side effects (may affect up to 1 in 10 people): Skin and allergic reactions at the injection site reactions at the injection site may occur (such as reddening, unusually intense pain on injection, itching, hives, swelling or inflammation). They can also spread around the injection site. Most minor reactions to insulins usually resolve in a few days to a few weeks.
Rare reported side effect (may affect up to 1 in 1,000 people): Skin changes at the injection site (lipodystrophy).
If the patient injected the insulin too often at the same skin site, fatty tissue under the skin at this site may either shrink or thicken. Insulin that is injected in such a site may not work very well. Changing the injection site with each injection may help to prevent such skin changes.
Side effects where the frequency cannot be estimated from the available data: Eye reactions: A marked change (improvement or worsening) in the blood sugar control can disturb the vision temporarily. If the patient has proliferative retinopathy (an eye disease related to diabetes) severe hypoglycaemic attacks may cause temporary loss of vision.
Reporting of side effects: If the patient gets any side effects, talk to the doctor, pharmacist or nurse. This includes any possible side effects not listed in here. By reporting side effects it can help provide more information on the safety of this medicine.
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