A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.
The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.
Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.
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Emerade should be used in emergency situations as life-sustaining treatment. The patient must urgently seek medical assistance for further treatment after using Emerade. All patients who are prescribed Emerade should be thoroughly instructed to understand the indications for the use and the correct method of administration (see section 6.6). It is strongly advised also to educate the patient's immediate associates (e.g. parents, caregivers, teachers) for the correct usage of Emerade in case support is needed in the emergency situation.
The injection can be administered through clothing. The patient/carer should be informed that following each use of Emerade: ? They should call for immediate medical assistance, ask for an ambulance and state 'anaphylaxis' even if symptoms appear to be improving (see section 4.4). ? Conscious patients should preferably lie flat with feet elevated but sit up if they have breathing difficulties. Unconscious patients should be placed on their side in the recovery position. ? The patient should if possible remain with another person until medical assistance arrives.
The pre-filled pen contains 0.5 ml of adrenaline solution 1 mg/ml. Emerade 150 micrograms delivers a single dose of 0.15 ml containing 150 micrograms of adrenaline (as tartrate). Each 0.15 ml (150 micrograms) dose contains 0.075 mg sodium meta-bisulphite (E223).
Certain medicines can enhance the effect of adrenaline: Tricyclic antidepressants, monoamine oxidase (MAO) inhibitors, and catechol-O-methyl transferase (COMT) inhibitors. Adrenaline must be used with caution in patients receiving halogenated hydrocarbons and related medicines and drugs that may sensitize the heart to arrhythmias, e.g. digitalis, quinidine, halogenated anaesthetics. The administration of fast-acting vasodilators or ?-blockers can counteract the effects of adrenaline on blood pressure. ?-blockers can inhibit the stimulating effect of adrenaline. The hyperglycaemic effect of adrenaline may necessitate an increase in insulin or oral hypoglycaemic treatment in diabetic patients.