Many factors can be triggers that lead to the activation of the pathogenic process of psoriasis. We must, however, emphasize that the impact of incentives varies from subject to subject and that while it may be an aggravating factor for some, this manifests itself harmless to others.
Stress
Stress is a set of reactions that the brain triggers the body against a dramatic event that currency or dangerous to the health of the psycho-physical.
Stress is now recognized play an important role in the unleashing of psoriasis is the first event, either as aggravation of an already existing form.
The trauma
Any type of physical trauma, such as scratching, burns, surgical scars or accidental shocks, may result in susceptible humans, even at a distance of one or two weeks, the appearance of psoriasis spots, just after the premises concerned. Were described cases in which psoriasis was induced at the injection site of vaccination, or where they occurred sunburn and injuries from scratching. This phenomenon is known as "Koebner phenomenon." It seems that not only the intensity of an accidental blow, but the frequency with which it remains victims, is crucial for the development of psoriasis.
The Drugs
The drugs deserve special mention. Taking certain medications can be a trigger for psoriasis or worse, if already present.
- Lithium, used to treat manic-depressive disorders and other psychiatric disorders, psoriasis worsens in about half of patients with psoriasis who take. In every way you can ask your doctor to find an alternative treatment to lithium.
- Anti malarials such as chinacrina, the chloroquine or hydroxychloroquine may cause a re-ignition of psoriasis usually two or three weeks after the drug was taken. E ‘be noted that hydroxychloroquine has the lowest index of side effects.
- Beta blockers used in hypertension worsen psoriasis in approximately 25-30% of patients who take them regularly. However, it is not known whether all drugs used in hypertension, using this mechanism pharmacodynamic (beta-blockers), worsen psoriasis or whether it can have a potential to do so. Sometimes they can be replaced with other drugs that have a similar result.
- The indomethacin, a non-steroidal anti drug used in treatment of, it was noted worsen psoriasis. Even in this case can be chosen alternative medicines, although the effects it produces benefits that are far greater than its side effects, which can be minimized by proper use.
Infections
The infection not only on the skin but internal organs are important elements that can trigger a latent psoriasis. An example for all the tonsil infection that in a not insignificant percentage of individuals, leads to the unleashing or contribute to the maintenance of psoriasis. The infection, caused by streptococcus betaemolitico, is often linked to the appearance of eruptions psoriasis in children. For adults, on the occasion of this type of infection, there is an acute general of the disorder, accompanied by increased drug resistance.
Abnormal metabolism
The alteration of certain metabolic processes and poor nutrition are calcium in some cases responsible for the appearance of psoriasis.
Hormones
Often psoriasis appears at puberty and menopause, periods in which the biological balance is radically altered.
Ethyl alcohol and smoking
Severe forms of psoriasis are often accompanied from abuse of alcohol and nicotine.
Other less important factors unleashed can be represented by:
- Climate more or less dry, because it has an impact on the state of hydration of the skin;
- Diet, as was noticed a benefit when there are some improved dietary habits;
- Allergies, which are smaller stimuli but not to neglect in patients with a disease which is so influenced psoriasis.