Side effects of Minoxidil
When Minoxidil is used to treat hair loss, the most common side effect is itching on the scalp. This is due to the fact that the solution used contains alcohol that dries out the scalp. This can result in dandruff. In addition to dandruff, it can also happen that forms on the scalp acne.
Hair loss is not a bad sign
In addition, hair loss may increase at the beginning of treatment - but this must not be a bad sign. In the long term, this will make it possible for the hair to regrow vigorously. All of these side effects only occur with topical application of Minoxidil. If severe skin reactions occur, the drug should be discontinued.
Consequences of an overdose
Taking Minoxidil in large amounts may cause low blood pressure, headache and palpitations. It can also cause a tingling sensation in the hands, feet or face. In rare cases, taking Minoxidil may also cause the following side effects:
- Gastrointestinal complaints
- lung changes
Under certain circumstances products containing the active substance Minoxidil should not be taken. For example, the use of Minoxidil during pregnancy and lactation is prohibited. In children, the drug should only be used under medical supervision and should not be applied externally.
In addition, Minoxidil must not be taken if
- Hypersensitivity to the drug is present.
- someone has a pheochromocytoma. A pheochromocytoma is a tumor that is located in the adrenal medulla in 85 percent of all cases. Because of the administration of minoxidil, the release of catecholamines such as adrenalin and norepinephrine from the tumor tissue can be promoted.
- There is pulmonary hypertension due to valvular heart failure (mitral valve stenosis).
- only a slight high blood pressure is present.
In patients who have suffered a heart attack, Minoxidil must not be used until the condition of the patient is stable.
If Minoxidil is used to treat hereditary hair loss, the active substance should not be used if
- sudden or uneven hair loss occurs.
- other medicines are applied on the scalp.
- Hair loss in the temporal area is present.
Interactions with minoxidil
Interactions with minoxidil may occur with concomitant administration of guanethidine or bethanidine and alpha-receptor blockers. As a result, it can lead to a very strong and rapid drop in blood pressure. Likewise, the simultaneous intake of neuroleptics can lead to an increased drop in blood pressure.
Taking Betha receptor blockers concomitantly may result in increased activity of the hormones that regulate blood pressure. In addition, the simultaneous intake of diuretics and minoxidil an increased water and mineral loss is possible.