As with all inhaled products, inhalation of Allertoin Inhalation Solution can lead to side effects. In some cases, a negative impact on an existing asthma condition could not be excluded. Please inform a healthcare provider, pharmacist, or the distributor of the product if patient notices side effects that are associated with the use of Allertoin Inhalation Solution. In this case, please do not continue the treatment. If conditions worsen, contact a healthcare provider or pharmacist.