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AIRWORTHINESS NOTICE NO. 47APPENDIX NO. 1Issue 231 January 20031 The following are some of the types of medicine in common use which may impairwork performance. This list is not exhaustive and care should be taken in ensuring thelikely effects of any prescribed drug are adequately known before taking it.(i) Sleeping Tablets - These dull the senses, cause mental confusion and slowreaction times. The duration of effect is variable from person to person andmay be unduly prolonged. Individuals should have expert medical advicebefore using them;(ii) Anti-depressants - These can depress the alerting system and have been acontributory cause of mistakes leading to fatal accidents. A person shouldstop work when starting anti-depressants and only return when it is clear thatthere are no untoward side effects. It is recommended that individuals seekmedical advice from their General Practitioner or appropriate medicalspecialist before returning to work;(iii) Antibiotics - Antibiotics (penicillin and the various mycins and cyclines)andsulpha drugs may have short term or delayed effects which affect workperformance. Their use indicates that a fairly severe infection may well bepresent and apart from the effects of these substances themselves, the sideeffects of the infection will almost always render an individual unfit for work;

(iv) Anti-histamine - Such drugs are widely used in 'cold cures' and in the treatmentof hay fever, asthma and allergic skin conditions. Many easily obtainablenasal spray and drop preparations contain anti-histamines. Most of this groupof medicines tend to make the taker feel drowsy. Their effect, combined withthat of the condition, will often prevent the basic three questions (paragraph 3.7of the Notice) from being answered satisfactorily. Admittedly very mild statesof hay fever etc., may be adequately controlled by small doses of anti-allergicdrugs, but a trial period to establish the absence of side effects is essentialbefore going on duty. When individuals are affected by allergic conditionswhich require more than the absolute minimum of treatment and in all cases ofasthma, one of the above mentioned sources of advice should be consulted;

(v) 'Pep' pills (e.g. containing Caffeine, Dexedrine, Benzedrine) used to maintainwakefulness are often habit forming. Susceptibility to each drug varies fromone individual to another, but all of them can create dangerous over-confidence.Over-dosage may cause headaches, dizziness and mental disturbances. Theuse of 'pep' pills whilst working cannot be permitted. If coffee is insufficient,you are not fit for work;