What Are the Effects of High Blood Pressure Medications on Asthma?

High blood pressure or hypertension and asthma areeffects that occur when taking ACE inhibitors up to
quite common diseases today. Many patients who20% of people reported one of the most common
suffer from hypertension suffer also from asthma.side effects -- persistent, dry cough. This cough is a
Commonly used medication to treat blood pressureresult of a type of respiratory activity called an
such as Beta-blockers often times affect asthma and"asthma equivalent."
make it even worse. Although the combination ofWhy is it called "asthma equivalent"? The activity
these two isn't dangerous, treatment of these caninside the respiratory passages mimics the effects of
challenging task even for highly qualified healthasthma. In general, it's rare to see serious reactions
provider. Developing effective treatment plan shouldto ACE inhibitors in asthmatic people, however they
be taken seriously and done though careful approach.have been reported. For these reason, ACE inhibitors
Problematic Hypertension Drugsare not considered as a "first line" drug of choice to
Today high blood pressure is treated with varioustreat high blood pressure. In some cases they may
drugs and among them beta blockers and ACEstill be prescribed by doctor through careful
inhibitors have the most potential to cause problemsmonitoring of their effects.
in patients suffering from asthma. The beta blockersSafe Hypertension Drugs
used to treat high blood pressure are not veryThere is a long list of drugs to treat hypertension and
selective, so they don't do a good job distinguishingare safe to use in asthmatic patients:
between the different types of receptors on the- Angiotensin Receptor Blockers (ARBs)
blood vessels and respiratory passages. They are- Diuretics
blocking the beta receptors in the blood vessels- Calcium Channel Blockers
(causing blood vessel dilatation) similar blockade ofThe main drawback and one side effect of diuretic
beta receptors on respiratory passages causes'treatment -- in all patients, not just those with
constriction, and can lead to dangerousasthma -- is lowering of potassium level in the body
consequences. On the other hand beta stimulating(Hypokalemia). Medications to treat asthma have a
drugs used to treat asthma generally target only thetendency to force potassium out of the blood. When
receptors on respiratory passages.this tendency is combined with the potassium sapping
Who needs new types of beta blockers?nature of diuretics, regular monitoring of potassium
The fact that beta blockers are so effective atlevels is required.
treating high blood pressure lead to developing a newCalcium channel blockers and ARBs have not been
versions of the drug, called selective beta-1-blockers,shown to cause any increased or unusual risk in
that do a better job and are more selective betweenasthmatic patients. These types of drugs are
blood vessels and respiratory passages.excellent treatment choices for safe treatment.
Beta-1-blockers have been subject of a variety ofCalcium channel blockers because of their longer
clinical tests and studies in order to determine howtrack record and lower cost tend to be used at first.
safe they are for asthmatic patients. These clinicalOther High Blood Pressure Drugs
tests showed that new beta-1-blockers were saferSome hypertension drugs have an undefined status:
for asthmatic patients. However, still a tendency toneither "safe" nor "unsafe" for use in people with
constrict the respiratory passages in some peopleasthma. They have this undefined status because
was reported.these drugs yet haven't been specifically studied in
Therefore, even these, new beta-1-blockers that arepeople who suffer from both high blood pressure and
more selective drugs, still are rarely prescribed toasthma at the same time.
people suffering from asthma. It turns out that theseIt's of interest that, most of these drugs - including
kinds of blockers are only suitable for specific typesClonidine and Hydralazine - are rarely used in
of asthma patients.treatment anyway. That way the specific
ACE inhibitors, another category of drugs to treatinvestigation to use them in patients suffering from
high blood pressure, may cause to some seriousasthma is not that appealing option.
problems for patients with asthma. Among many side