The cure for asthma is mainly done through medicines but some of the natural methods which can relieve you from asthma without an inhaler are:
Eucalyptus oil: It opens up nasal blockage for easy breathing.
Mustard Oil: Mustard oil combined with camphor is the best combination for providing quiet relief.
Ginger: Ginger is beneficial for your body and health. It is considered to be a superfood and is good for asthma.
Figs: Figs are the best home remedy for asthma.
Omega-3 fatty acids: They are very useful in managing inflammatory conditions. It treats almost all the conditions including depression, seasonal affective disorder, depression, heart disease along with asthma.