Contraindications

Despite magnet therapy’s generally recognized safety, account must be taken of some possible actions which should be considered in using this therapy. While few of these are serious, they must be anticipated and patients alerted to their potential.

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^{Absolute contraindications:}

Pregnancy – while toxicity studies with MRI show no significant concerns with workers, little research has been done in this area and safety is not conclusively established.

Pacemakers, implanted pain modulators, insulin delivery systems or defibrillators – have battery systems. While generally shielded now , exposure directly over devices may shut them off.

Myasthenia gravis – muscle weakness may be aggravated

Conditions with active bleeding (especially into the gut) – since platelet aggregation is reduced, bleeding may not clot readily.

Hyperthyroidism; adrenal gland, hypothalamic and hypophyseal/pituitary dysfunctions which are clinically significant enough to be endocrinologically or physiologically symptomatic, may be over-stimulated and lead to glandular exhaustion.

Active tuberculosis, acute viral diseases – macrophage responses may be dampened resulting in temporary flares.

Malignancies (even in remission) – because of the controversies with frequency fields from power lines, even though current evidence suggests no probable causalrelationship to health problems, caution should be exercised; little work has been done in this area.

Pychoses – fields may produce unpredictable results, and in combination with medications may cause significant reductions in blood pressure.

^{Relative contraindications}

Neurological diseases with seizures using pulsed or sinusoidal EMF’s (with regard to applicator localization) have a theoretical potential to initiate seizures if waves orpulses are timed to a seizure focus frequency. Problems appear to be rare but caution should be exercised initially at least.

Severe systemic mycotic diseases – inflammation may show temporary aggravation due to inflammatory system effects

Severe organic atherosclerosis – blood pressure effects may be significant, with hypotension.

Excessive menstruation, if the pelvis is to be treated – magnetic fields may increase flow further.

^{Special attention}

Patients with hypotension, or predisposition to it, as well as patients with severe or accelerated hypertension since sudden significant blood pressure decreases may occur, causing vertigo, fainting, et cetera. This reaction usually disappears within 30′ after the exposure and after 5 exposures adaptation begins.