Promotes Relief Safe, Gentle100% Natural Helps Relieve Kennel Cough, Bronchitis & Other Types of Persistent Cough Naturally the leader in safe, effective pet health care. Warnings Adverse Effects & Contraindications: None known, other than reversible effect of overdosage. Overdosage will result in a return of symptoms after the symptoms have initially disappeared. Where either increased anxiety or a return of symptoms occurs while on the medication, ceasing to use it will alleviate the effect. Patients who are hypersensitive to homeopathic preparations will show response to a single dose, which may not need to be repeated for some time. For this reason therapy should always start with a single dose and should a major response be seen, therapy should not be recommenced until symptoms relapse, and then only a single dose given for supporting maximum effect