local exhaust = createConditionObject(CONDITION_EXHAUST)
setConditionParam(exhaust, CONDITION_PARAM_TICKS, 1000)

function onUse(cid, item, fromPosition, itemEx, toPosition)
    local hpmax, min, max, vocation = getCreatureMaxHealth(cid), 75, 90, {1, 5}
    local hp_add = math.random(hpmax * min / 100, hpmax * max / 100)

    if(hasCondition(cid, CONDITION_EXHAUST)) then
        return doPlayerSendCancel(cid, "You are exhausted"), doSendMagicEffect(getThingPos(cid), CONST_ME_POFF), false
    end

     if isInArray(vocation, getPlayerVocation(cid)) and getPlayerLevel(cid) >= 10000 then
        doCreatureAddHealth(cid, hp_add)
        doCreatureSay(itemEx.uid, "Aaaah...", TALKTYPE_ORANGE_1)
        doAddCondition(cid, exhaust)
        end
    return true
end